Home / 720,996.06-1,082,144.01-384,317.10

Finding the Fourth Proportional to 720,996.06, 1,082,144.01 and 384,317.10

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Solution

The fourth proportional to 720,996.06, 1,082,144.01 and 384,317.10 is: 576,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,996.06 : 1,082,144.01 = 384,317.10 : x
  2. Step 2: Convert to fraction form
    720,996.06/1,082,144.01 = 384,317.10/x
  3. Step 3: Cross multiply
    720,996.06x = 1,082,144.01 × 384,317.10
  4. Step 4: Simplify right side
    720,996.06x = 415,886,447,705.57
  5. Step 5: Solve for x
    x = 415,886,447,705.57/720,996.06
  6. Step 6: Final answer
    x = 576,822.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.